A new set of files discovered in the iPad music app may signal new functionality in the future, according to a new report. Discovered on a jailbroken iPad running iOS 6.1, button files are labeled with “radio buy” in the file names. It’s unknown as to what these files may actually mean, if anything, but previous reports suggest that Apple plans to launch its own streaming radio service; one report suggested that the feature could have been launched as an iPhone 5 feature prior to royalty negotiations breaking down. It’s notable that these “radio buy” files have not been discovered in jailbroken iPhones running iOS 6.1. [via 9to5Mac]